#include <stdio.h>

int main(void)
{
    double height;
    double one_inch = 2.54f; // 1 inch = 2.54cm

    printf("How tall are you? (inch) ");
    scanf("%lf", &height);
    printf("%.2lf inch = %.2lf cm\n", height, height * one_inch);

    return 0;
}